AV-50, Guanshan Section, Longtan, Nanjing City (Permian of China)

Where: Jiangsu, China (32.2° N, 119.1° E: paleocoordinates 4.4° N, 96.9° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Qixia Formation, Kungurian (279.3 - 272.3 Ma)

• Upper Member

• bed-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: microfossils

Collected by T.C. Chen et al in 1955; reposited in the NIGPAS

Primary reference: T. C. Chen. 1958. Permian ostracods from the Chihsia limestone of Lungtan, Nanking. Acta Palaeontologica Sinica 6:215-265 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 142175: authorized by Matthew Clapham, entered by Matthew Clapham on 06.04.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Ostracoda
 Palaeocopida - Kirkbyidae
"Amphissites cf. pinguis" = Shleesha pinguis, Kirkbya bellula
"Amphissites cf. pinguis" = Shleesha pinguis Ulrich and Bassler 1906 ostracod
Kirkbya bellula Chen 1958 ostracod
 Podocopida - Bairdiidae
Bairdia demissa n. sp. Chen 1958 ostracod
Bairdia girtyi Sohn 1961 ostracod
Bairdia zhongyingensis Wang 1978 ostracod
Bairdia cf. citriformis Knight 1928 ostracod
Cryptobairdia coryelli Roth and Skinner 1931 ostracod
Bairdia altiarcus Chen 1958 ostracod
Bairdia guangxiensis Guan 1978 ostracod
Bairdia trianguliformis Chen 1958 ostracod
Bairdia garrisonensis Upson 1933 ostracod
Bairdiacypris longirobusta Chen 1958 ostracod
 Podocopida - Microcheilinellidae
Microcheilinella subreniformis n. sp. Chen 1958 ostracod
Microcheilinella venusta Chen 1958 ostracod
 Leperditellocopida - Aparchitidae
"Cyathus caperatus" = Cyathus caperata
"Cyathus caperatus" = Cyathus caperata Guan 1978 ostracod